autopiano|ˌɔːtəʊpɪˈænəʊ| [f. auto-1 + piano n.2] A piano with a playing apparatus. 1905Connoisseur XIII. 41 (Advt.), The ― ‘Autopiano’ is a Pianoforte of excellent tone..played with music roll.1928Sunday News 17 June 4/4 Their sale bargains including several auto-pianos.